As the Pittsburgh Penguins and Ottawa Senators gear up for a critical Game 7, the Penguins' most clutch performer awaits in the shadows. No, it's not Sidney Crosby, Evgeni Malkin, or even Phil Kessel.

MONTREAL, QC - OCTOBER 13: Bryan Rust #17 of the Pittsburgh Penguins skates the puck against the Montreal Canadiens during the NHL game at the Bell Centre on October 13, 2018 in Montreal, Quebec, ...